| Acronym | Definition |
|---|
| IAAR➣Independent Association of Accredited Registrars |
| IAAR➣Institute of African American Research (University of North Carolina) |
| IAAR➣Israeli Association for Aerosol Research |
| IAAR➣International Association for Asset Recovery (est. 2008) |
| IAAR➣International Academy of Advanced Reflexology |
| IAAR➣Institute of Arctic and Alpine Research (now INSTAAR) |
| IAAR➣Information Agency Acquisition Regulations |